park geun-h geun-hye, they're calling for retaliation against any provocation. certainly a deadly attack, i believe, like the one we saw in 2010 would today trigger a robust response from the south and also very important to keep in mind the north koreans know that very well, alex. >> okay. nbc's jim maceda in soum, south kor korea. thank you, jim. >>> let's go to south africa where former president nelson mandela is at home now resting after being discharged from the hospital a little earlier today. mandela was being treated for a recurring lung infection and pneumon pneumonia. nbc's ron allen is there in south africa for us. ron, was this release expected? it seemed like he was getting all this treatment and then all of a sudden he's being released. >> reporter: well, we've been hearing encouraging words in the past few days from his wife and from doctors and others speculating that things were improving. so it's not a big surprise that he was released now, but, of course, everything is very unpre2kik9abunpr unpredictable in this environment. he's 94 and will